iPhoneHacks reported that MuscleNerd of iPhone Dev team has posted an update on the unlocking solution for iPhone 4S.
He twitted: “iPhone4S baseband bootrom now dumped “
and also said: “Here’s a tiny snippet: htttp://twitpic.com/7mg5hp …but we’ll be digging into the rest of it too!”

According to the updates on Twitter , MuscleNerd and the Dev-Team has managed to dump iPhone 4S’ baseband bootrom and they’ve got a screenshot to prove it.